Current Conditions
More Information
WeatherCity Home
Switch to Metric Units
[ Almanac ]  
Sunrise:  7:03 am
Sunset:  5:13 pm
[ Moon Phases ]  

Full Moon
Feb 3

Last Quarter
Feb 11

New Moon
Feb 18

First Quarter
Feb 25




January 30th, 2026 :: 3:37 pm CST   

Local Weather Report for
Decatur
Illinois, United States

 Current Decatur Weather Conditions Updated January 30th at 2:54 pm 
Overcast
Temperature:18°F Dew Point:3°F
Barometer:30.36 inHg Wind:N 19 Mph
Humidity:49.3% Visibility:0M
 
 Decatur Weather Forecast Summary  
 
Today
Jan 30th
Saturday
Jan 31st
Sunday
Feb 1st
Monday
Feb 2nd
Tuesday
Feb 3rd
Cloudy Cloudy Cloudy Cloudy Mix of rain and snow
15°F
20°F
5°F
23°F
3°F
29°F
14°F
32°F
15°F
 
 Decatur Detailed Weather Forecast  
 
Friday, January 30th, 2026
Evening Temperature: 11°F
Cloudy. Windy at times.
Saturday, January 31st, 2026
Overnight Temperature: 5°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 14°F
Cloudy. Windy at times.
Afternoon Temperature: 12°F
Sunny.
Evening Temperature: 9°F
Clear with cloudy periods.
Sunday, February 1st, 2026
Overnight Temperature: 4°F
Clear with cloudy periods.
Morning Temperature: 18°F
Cloudy. Windy at times.
Afternoon Temperature: 21°F
Cloudy. Windy at times.
Evening Temperature: 20°F
Cloudy with a chance of flurries.
Monday, February 2nd, 2026
Overnight Temperature: 17°F
Cloudy.
Morning Temperature: 26°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 17°F
Cloudy.
Evening Temperature: 14°F
Cloudy.
Tuesday, February 3rd, 2026
Overnight Temperature: 18°F
Cloudy.
Morning Temperature: 28°F
Cloudy. Windy at times.
Afternoon Temperature: 30°F
Cloudy with a chance of flurries or freezing rain showers. Windy at times.
Evening Temperature: 29°F
Cloudy with a few flurries. Windy at times.
Wednesday, February 4th, 2026
Overnight Temperature: 27°F
Cloudy. Windy at times.
Morning Temperature: 27°F
Cloudy. Windy at times.
Afternoon Temperature: 27°F
Cloudy. Windy at times.
Evening Temperature: 22°F
A mix of cloudy and clear skies. Windy at times.
Thursday, February 5th, 2026
Overnight Temperature: 12°F
Clear with cloudy periods.
Morning Temperature: 22°F
A mix of cloud and sun.
Afternoon Temperature: 24°F
Cloudy.
Evening Temperature: 29°F
Cloudy with a slight chance of flurries. Windy.
Friday, February 6th, 2026
Overnight Temperature: 32°F
Cloudy with a chance of flurries or showers. Windy.
Morning Temperature: 20°F
Cloudy with a chance of flurries. Wind 20 to 30 mph.
Afternoon Temperature: 11°F
Cloudy. Wind 20 to 30 mph.
Evening Temperature: 7°F
Cloudy. Wind 20 to 30 mph.
Saturday, February 7th, 2026
Overnight Temperature: 2°F
Cloudy. Windy.
Morning Temperature: 6°F
Cloudy. Windy at times.
Afternoon Temperature: 7°F
Cloudy.
Evening Temperature: 10°F
Cloudy with a chance of flurries. Windy at times.





 

  [ Local Weather Report ]
Monticello, IL 
 
Sullivan, IL 
 
Clinton, IL 
 
Shelbyville, IL 
 
Tuscola, IL 
 
Taylorville, IL 
2:55 PM  16°F
Overcast
 
Pana, IL 
 
Champaign, IL 
2:53 PM  16°F
 
 
Lincoln, IL 
2:55 PM  18°F
Overcast
 
Urbana, IL 
2:53 PM  16°F
 

 
This WeatherCity Weather Forecast for Decatur, Illinois, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

  Decatur weather brought to you by WeatherCity Server: us-chi1   Rendered in 0.00283s  
Home   |   About WeatherCity